Bottle-cap



R. STOCK.

BOTTLE CAP.

APPLICATION FILED JAN. 15, 1920.

Patentd May 3,1921.

' IIVVENTOR W UNITED STATES ROBERT STOCK, OF SANDUSKY, OHIO.

BOTTLE-CAI.

Specification of Letters Patent.

Patented May 3, 1921.

Application filed. January 15, 1920. Serial No. 351,592.

To all whom it may concern:

Be it known that I, ROBERT STOCK, a citizen of the United States, and resident of the city of Sandusky, in the county of Erie and State of Ohio, have invented a new and useful Improvement in Bottle-Caps, of which the following is a specification.

This invention relates to improvements in bottle caps and has for its object to provide a detachable closure for bottles, which is simple and inexpensive to manufacture, which will efiiciently seal the neck of a bottle when applied thereto and which may be applied to and removed from the bottle innumerably without destroying its usefulness.

A practical embodiment of my invention is represented in the accompanying drawing, in which- Figure 1 represents a plan view of my improved cap as applied to a bottle.

Fig. 2 represents a similar view with the parts in another position as in being removed from the bottle.

Fig. 3 represents a front elevation of the cap in position on the bottle.

Fig. 4 represents a vertical section taken in the plane of the line IV-IV of Fig. 3, looking in the direction of the arrows.

Fig. 5 represents a vertical section taken in the plane of the line V-V of Fig. 1, and

Fig. 6 represents a detail horizontal section taken in the plane of the line VIVI of Fig. 3.

The bottle to which my improved cap is applied is provided with an annular bead denoted by 1, formed at the mouth of the bottle and an exterior recess 2 on the neck 3 of the bottle immediately below the bead.

The cap 4 is formed with a depending flange 5, which has a series of fingers 6, arranged to be bent to receive a resilient ring 7, and secure the ring in position on the cap. The ring 7 is developed into arms 8, which extend laterally from between two fingers and diverge outwardly therefrom. The extremities of the arms 8 are turned outwardly in opposite directions as shown at 9. A body member 10, preferably formed of metal, is arranged to be moved laterally on the arms 8, and has a slot 11, the side walls of which are tapered and engaged by the oppositely disposed portions 9 of the arms 8. The walls of the tapered slot 11 are provided with slightly roughened surfaces, so

that the portions 9 of the arms 8, as they are spread apart by the tension of the ring, will tightly hug the walls, and thereby guard against unintentional displacement. To prevent the body member 8 from being withdrawn from the arms 8, the walls of the slot 11 are contracted at 12 to form stops, which coact with the portions 9.

The ring 7 is normally expanded to hold the fingers 6 a slight distance away from the recess 2, when the cap is placed in position on the bottle, so that as the arms 8 are drawn together by the slot 11 and the body 10 being forced toward the cap, the ring will be contracted, thereby causing the fingers to be pressed inwardly into the recess 2. The interior diameter of the ring and fingers is approximately less than the exterior diameter of the bead 1 on the neck of the bottle, so that as the cap is forced downwardly on the bead 1, the fingers and ring will expand slightly until they pass into the recess 2.

To effect a tight closurewith the mouth of the bottle, when the cap is in position on the neck, I provide the cap with a disk shaped washer 13 of cork or other yielding material, which will be pressed tightly over the mouth of the bottle by the contraction of the ring and the fingers engaging the lower edge of the bead as shown in Figs. 3 and 4.

The cap may be removed from the bottle by moving the body 10 laterally away from the cap, which movement allows the portions 9 of the arms 8 to move away from each other in the slot 11 so that the ring will as sume its normal position and draw the fingers away from the recess. A slight upward pressure on the cap will cause the fingers and ring to expand a sufficient distance to pass the bead 1. The body 10 may also serve as a convenient means by which the cap may be lifted from the bottle.

It is obvious that various changes may be made in the form, construction and arrangement of the several parts without departing from the spirit and scope of my invention; hence I do not intend to be limited to the details herein shown and described, except as they may be included in the claims.

What I claim is:

l. A bottle cap having depending fingers, a resilient ring carried by said fingers, a portion of said ring extendinglaterally therefrom, and horizontally movable means frictionally engaging said portion for contracting the ring to control the movement of the fingers.

2. A bottle cap having depending fingers, an open resilient ring carried by said fingers developed into arms extending laterally therefrom, and horizontally movable means frictionally engaging said arms for contracting the ring to control the movement of the fingers.

3. A bottle cap having depending fingers, an open resilient ring carried by said fingers developed into arms extending laterally therefrom, and means horizontally and laterally movable on and frictionally en'- gaging said arms for controlling the movement of the ring and fingers. I

4:. A bottle cap having depending fingers, an open resilient ring carried by said fingers developed into arms extending laterally therefrom, V and means horizontally and laterally movable on said arms for controlling the movement of the ring and fingers,

said means comprising a body having a tapered slot for the reception of the arms of the ring, the Walls of said slot being roughened to frictionally engage the arms.

5. A bottle cap having depending fingers,

an open resilient'ring carried by said fingers developed into arms diverging laterally 12th day of January,

therefrom, and means horizontally and laterally movable on and frictionally engaging said arms for controlling the movement of the ring and fingers.

6. A bottle cap having depending fingers, an open resilient ring carried by said fingers developed into arms diverging Y laterally therefrom, and means horizontally and laterallymovable on said arms for controlling the movement of the ring and fingers, said means comprising a body having a tapered slot for the reception of the arms of the ring, the Walls of said slot being roughened to frietionally engage the arms.

7. A bottle cap having depending fingers, an open resilient ring carried by said fingers, developed into arms diverging laterally therefrom and having oppositely turned ends, and means horizontally and laterally movable on said arms for controlling the movement of the ring and fingers, said means comprising a body having a tapered slot and stopsfor the reception and retention'of the arms of the ring, the Walls of said slot being roughened to friction-ally engage the arms.

Intestimony that I claim the foregoing as my invention, I have signed my name this ROBERT STOCK. 

